244 lines
7.5 KiB
Text
244 lines
7.5 KiB
Text
# Maintainer: Antoine Martin (ayakael) <dev@ayakael.net>
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# Contributor: Antoine Martin (ayakael) <dev@ayakael.net>
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pkgname=linux-rm
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pkgver=5.4.70
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_rmver=1.3.3
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pkgrel=2
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pkgdesc="Linux kernel with reMarkable patches"
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url=https://github.com/reMarkable/linux
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depends="initramfs-generator linux-firmware-brcm linux-firmware-cypress"
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_depends_dev="perl gmp-dev elfutils-dev bash mpc1-dev mpfr-dev"
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makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware mawk
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bison flex openssl-dev>3 diffutils pahole findutils xz lzop
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"
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options="!strip !check"
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builddir="$srcdir"/linux-RM1XX_${pkgver}_v$_rmver
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source="
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https://github.com/reMarkable/linux/archive/refs/tags/RM1XX_${pkgver}_v$_rmver.tar.gz
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enable-automatic-partial-refreshing.patch
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enable-sdhc1.patch
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config-changes-rm.armv7
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config-changes-rm.armhf
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"
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arch="armv7 armhf"
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license="GPL-2.0"
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for _i in $source; do
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case $_i in
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config-*.$CARCH)
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_f=${_i%."$CARCH"}
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_f=${_f#config-changes-}
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_flavors="$_flavors $_f"
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[ "linux-$_f" != "$pkgname" ] && subpackages="$subpackages linux-$_f::$CTARGET_ARCH"
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subpackages="$subpackages linux-$_f-dev:_dev:$CBUILD_ARCH"
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;;
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esac
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done
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_carch=$CARCH
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case "$CARCH" in
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aarch64) _carch="arm64" ;;
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arm*) _carch="arm" ;;
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esac
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# generate config from defconfig and apply local changes.
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# config-changes-$flavor.$CARCH holds a list of = delimited
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# config command and values used by kernel scripts/config script.
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_genconfig() {
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local flavor=$1 defconfig=
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local subbuilddir="$srcdir"/build-$flavor
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local defconfig=
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case $flavor in
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rm) defconfig=zero-gravitas_defconfig ;;
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rm2) defconfig=zero-sugar_defconfig ;;
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*) die "Unknown flavor: $flavor" ;;
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esac
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cp "$builddir"/arch/$_carch/configs/$defconfig \
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"$subbuilddir"/.config
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while read -r line; do
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# skip comments
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case "$line" in
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"#"*) continue;;
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esac
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local option=${line%%=*} str=
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local cmd=$(echo $line | cut -d= -f2)
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case "$cmd" in
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y) cmd="enable";;
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n) cmd="disable";;
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m) cmd="module";;
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'"'*) cmd="set-str"; str="${line#*=}";;
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[0-9]*) cmd="set-val"; str="${line#*=}";;
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*) die "Command $cmd not accepted" ;;
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esac
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msg "[$flavor] $cmd: $option $str"
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"$builddir"/scripts/config \
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--file "$subbuilddir"/.config \
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--$cmd "$option" "${str//\"/}"
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done < "$srcdir"/config-changes-$flavor.$CARCH
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}
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# verify if options are set to correct value
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_verifyconfig() {
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local flavor=$1
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local subbuilddir="$srcdir"/build-$flavor
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while read -r line; do
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[ ${line:0:1} = "#" ] && continue
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local option=${line%%=*} str= invert=
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local cmd=$(echo $line | cut -d= -f2)
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case "$cmd" in
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enable) str="$option=y" ;;
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disable) str="$option"; invert="-v" ;;
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module) str="$option=m" ;;
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set-val) str="$option=${line##*=}" ;;
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set-str) str=${line##*=}
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str="$option=\"${str//\"/}\"" ;;
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esac
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grep -q $invert "^$str" "$subbuilddir"/.config || \
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die "Config: $option not properly set!"
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done < "$srcdir"/config-changes-$flavor.$CARCH
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}
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prepare() {
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default_prepare
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local flavor=
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for flavor in $_flavors; do
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local _builddir="$srcdir"/build-$flavor
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mkdir -p "$_builddir"
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echo "-$pkgrel-$flavor" > "$_builddir"/localversion-alpine
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_genconfig $flavor
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make -C "$builddir" \
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O="$_builddir" \
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ARCH="$_carch" \
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olddefconfig
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_verifyconfig $flavor
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done
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}
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build() {
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unset LDFLAGS
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for i in $_flavors; do
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cd "$srcdir"/build-$i
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local _kver=$(make kernelversion)
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if [ "$_kver" != "$pkgver" ]; then
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error "Version in Makefile ($_kver) does not correspond with pkgver ($pkgver)"
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return 1
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fi
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make ARCH="$_carch" CC="${CC:-gcc}" KLZOP="/usr/bin/lzop" \
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KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
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done
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}
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_package() {
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local _flavor="$1" _outdir="$2"
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local _builddir="$srcdir"/build-$_flavor
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local _abi_release="$(make -C "$_builddir" -s kernelrelease)"
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cd "$srcdir"/build-$_flavor
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mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
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local _install="zinstall dtbs_install"
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cd "$srcdir"/build-$_flavor
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# modules_install seems to regenerate a defect Modules.symvers. Work
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# around it by backing it up and restore it after modules_install
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cp Module.symvers Module.symvers.backup
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local INSTALL_DTBS_PATH="$_outdir"/boot
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make -j1 modules_install $_install \
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ARCH="$_carch" \
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INSTALL_MOD_PATH="$_outdir" \
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INSTALL_MOD_STRIP=1 \
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INSTALL_PATH="$_outdir"/boot \
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INSTALL_DTBS_PATH="$INSTALL_DTBS_PATH"
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cp Module.symvers.backup Module.symvers
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cp "$_builddir"/arch/arm/boot/zImage "$_outdir"/boot/zImage
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rm "$_outdir"/boot/vmlinuz-$_flavor
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rm -f "$_outdir"/lib/modules/$_abi_release/build \
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"$_outdir"/lib/modules/$_abi_release/source
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rm -rf "$_outdir"/lib/firmware
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install -D -m644 include/config/kernel.release \
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"$_outdir"/usr/share/kernel/$_flavor/kernel.release
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}
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# main flavor installs in $pkgdir
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package() {
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_package rm "$pkgdir"
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}
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# subflavors install in $subpkgdir
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rm2() {
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depends="initramfs-generator linux-firmware-brcm linux-firmware-cypress"
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_package rm2 "$subpkgdir"
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}
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_dev() {
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local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
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local _builddir="$srcdir"/build-$_flavor
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local _abi_release="$(make -C "$_builddir" -s kernelrelease)"
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# copy the only the parts that we really need for build 3rd party
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# kernel modules and install those as /usr/src/linux-headers,
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# simlar to what ubuntu does
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#
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# this way you dont need to install the 300-400 kernel sources to
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# build a tiny kernel module
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#
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pkgdesc="Headers and script for third party modules for $_flavor kernel"
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depends="$_depends_dev"
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local dir="$subpkgdir"/usr/src/linux-headers-$_abi_release
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# first we import config, run prepare to set up for building
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# external modules, and create the scripts
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mkdir -p "$dir"
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cp "$_builddir"/.config "$dir"/.config
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echo "-$pkgrel-$_flavor" > "$dir"/localversion-alpine
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make -j1 -C "$builddir" \
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O="$dir" \
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ARCH="$_carch" \
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AWK="${AWK:-mawk}" \
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syncconfig prepare modules_prepare scripts
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# remove the stuff that points to real sources. we want 3rd party
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# modules to believe this is the soruces
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rm "$dir"/Makefile "$dir"/source
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# copy the needed stuff from real sources
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#
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# this is taken from ubuntu kernel build script
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# http://kernel.ubuntu.com/git/ubuntu/ubuntu-zesty.git/tree/debian/rules.d/3-binary-indep.mk
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cd "$builddir"
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find . -path './include/*' -prune \
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-o -path './scripts/*' -prune -o -type f \
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\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
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-name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
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-print | cpio -pdm "$dir"
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cp -a scripts include "$dir"
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# shellcheck disable=SC2046
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find $(find arch -name include -type d -print) -type f \
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| cpio -pdm "$dir"
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install -Dm644 "$_builddir"/Module.symvers \
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"$dir"/Module.symvers
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mkdir -p "$subpkgdir"/lib/modules/$_abi_release
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ln -sf /usr/src/linux-headers-$_abi_release \
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"$subpkgdir"/lib/modules/$_abi_release/build
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}
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sha512sums="
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80ab274ca3d30935d9913490662f17499c1ceedb438fe171554097d25ffc1cf85ee53f0c1642e94c0b833fdfb17636cd554bf685e4a6f5dac20cf122c1a25447 RM1XX_5.4.70_v1.3.3.tar.gz
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0f47278c5bfafb939e46224fbf16f9491e3cc560ac128dcf430a1f6cf9064fb1c5bf5db1a3076c35d30c004aec525a7d6616a647564f197bb29c57701c1db982 enable-automatic-partial-refreshing.patch
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6f2036a2f88b0d80ba5e37e3d119aebd2dc33453f5a5d84b319ec50c0c00d8cb93fc4b3f5e10f3d56c1496f3cb297551c405f36c5d864af112398f0792f1549a enable-sdhc1.patch
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7f118de35f63960c0d9dc8d8ed56c4097006a3545d4672b618b1d430a7a9c018dbda4c2bfe900cd013c5f65766ddd62b1638ddfeb1bafde307f77d25891bd438 config-changes-rm.armv7
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7f118de35f63960c0d9dc8d8ed56c4097006a3545d4672b618b1d430a7a9c018dbda4c2bfe900cd013c5f65766ddd62b1638ddfeb1bafde307f77d25891bd438 config-changes-rm.armhf
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"
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